CN113509214A - Ultrasonic positioning sampling puncture system - Google Patents
Ultrasonic positioning sampling puncture system Download PDFInfo
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- CN113509214A CN113509214A CN202110423123.6A CN202110423123A CN113509214A CN 113509214 A CN113509214 A CN 113509214A CN 202110423123 A CN202110423123 A CN 202110423123A CN 113509214 A CN113509214 A CN 113509214A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3409—Needle locating or guiding means using mechanical guide means including needle or instrument drives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- A61B2017/3413—Needle locating or guiding means guided by ultrasound
Abstract
The invention discloses an ultrasonic positioning sampling puncture system, which comprises an ultrasonic probe, wherein the right side of the ultrasonic probe is fixedly connected with an externally-hung fixed end, the upper end of the ultrasonic probe is provided with a handle, one side of the handle is provided with a control switch, the externally-hung fixed end is externally provided with a connecting body, the connecting body is fixedly connected with a rotating frame, the central position of the rotating frame is provided with a rotating shaft, the right side of the rotating frame is fixedly connected with a sliding rail, the rotating shaft is connected with a speed reduction driving motor and axially rotates, the right side of the sliding rail is fixedly connected with a moving seat, the right side of the moving seat is fixedly connected with a sampling puncture needle, the sampling puncture needle comprises a needle tube, the front end of the needle tube is movably connected with a puncture needle body, the puncture needle body is pushed and moves on the rotating frame along the length direction of the puncture needle body, a grabbing mechanism is arranged in the puncture needle body, the grabbing mechanism comprises a grabbing hand and a connecting tube, and the advantages of high accuracy, good safety and simple operation of a target can be realized, under the assistance of a computer, the target can be quickly determined, the positioning process is simplified, the operation difficulty is reduced, the dependence on the experience of an operator is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an ultrasonic positioning sampling puncture system.
Background
In the field of medical devices, pathological diagnosis is the gold standard of medicine, and in order to obtain a prepared sample, positioning by means of ultrasound is often required. The ultrasonic puncture sampling needs manual operation of professional medical staff, and accurate puncture is completed by keeping stable action, so the sampling success rate of puncture is related to the technical level of the operating staff, accurate sampling is helpful for quickly acquiring accurate pathological information, and a correct treatment scheme is developed for a patient in time, while the technical level of the medical staff needs to be improved to ensure the success rate of puncture, but the technical culture process needs longer time, and the technical gap cannot be effectively solved, on the basis, the operation difficulty is reduced from the improvement angle of medical equipment, the dependence degree on the technique of the staff is reduced, the ultrasonic puncture sampling method is one direction for development and improvement of medical equipment, the accuracy of puncture is related to the accurate judgment of the lesion position, the determination of the puncture position usually needs ultrasonic detection, the puncture success rate can be improved by matching with puncture in the detection process, and generally, more than old-capital medical staff bring at least one person to carry to closely cooperate with the puncture, the requirement for operation is high, so that the use of an ultrasonic instrument for positioning puncture is a future development trend. The puncture is a medical process of taking a sample by penetrating a puncture needle into organism tissues, the sample extracted by the puncture is used for testing the health condition of the sample body and the pathological condition of a specific focus, the puncture needs manual operation of professional medical personnel, and the accurate puncture is completed by keeping stable action. In the in-process at the puncture sample, the sample of getting is all very smooth at every turn sometimes, some sample tissues are harder can't extract through conventional means, the sample of getting even can not satisfy the needs, current puncture equipment's controllability is poor, need take out the back with the pjncture needle after the puncture sample and leave the appearance, when needing puncture sample once more, repeat aforementioned process, this very big extension patient's painful time, consequently research and development need not extract in vivo and carry out the apparatus that accurately snatchs the sample just has very big practical meaning.
In the prior art, a published document CN212913323U can be seen to be a multifunctional hemodialysis puncture needle, which relates to the technical field of puncture needles, the puncture needle is basically used for sampling samples with blood flow, while the specific properties of tissues are determined by aiming at diseased tissues, the tissues are hard in texture, a common puncture needle is difficult to successfully take, and because part of tissues can be adhered to other tissues, the sampling can not be successfully carried out by a simple negative pressure extraction means, so that the puncture needle with a sharp hand grip is designed based on the problem.
The published file CN112603377A is a medical ultrasonic esophagoscope tube, which has too strict requirements on training and knowledge of medical personnel in the field of applying ultrasonic waves, and many doctors cannot well treat patients because of being limited by two different fields of an ultrasonic positioning system and a puncture technology.
Disclosure of Invention
The invention aims to provide an ultrasonic positioning sampling puncture system to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an supersound location sampling puncture system, including ultrasonic probe, the external stiff end of ultrasonic probe right side fixed connection, external stiff end is equipped with the connector outward, connector and rotating turret fixed connection, rotating turret central point puts and is equipped with the axis of rotation, and rotating turret right side fixedly connected with slide rail, axis of rotation connection has speed reduction driving motor and axial rotation, slide rail right side fixedly connected with removes the seat, it removes seat right side fixedly connected with sampling pjncture needle to remove, the sampling pjncture needle includes the needle tubing, needle tubing front end swing joint has the puncture needle body, and the puncture needle body advances to remove along its length direction on the rotating turret, the internal mechanism that snatchs that is equipped with of pjncture needle, it includes tongs and tongs connecting pipe to snatch the mechanism.
Preferably, the grabbing mechanism is provided with a grabbing hand, the front end of the grabbing hand is provided with a blade, the blade is provided with a limiting connection metal sheet, the limiting connection metal sheet is movably connected with the grabbing hand fixing pipe, the grabbing hand fixing pipe is provided with a movable circular ring, the movable circular ring is movably connected with a metal sheet, and the metal sheet is movably connected with the blade.
Preferably, the needle tube comprises a negative pressure suction rod, a sample tube is arranged at the front end of the negative pressure suction rod, the front end of the sample tube is fixedly connected with a puncture connecting tube, an arc-shaped pressure rod is fixedly connected onto the sample tube, and a sealing cover is movably connected to the upper portion of the front end of the sample tube.
Preferably, the puncture needle body comprises a puncture needle head, the puncture needle head is fixedly connected with a puncture needle tube, a grabbing mechanism is arranged in the puncture needle tube and comprises a grab, a grab connecting tube is fixedly connected to the rear side of the grab, the grab connecting tube is connected with the puncture connecting tube in a sealing mode, a position hole is formed in the puncture connecting tube, the adjusting handle penetrates out of the position hole, and the position hole is full of a sealing rubber ring.
Preferably, the movable seat is provided with a pair of connecting pipe fixing frames and a pair of needle tube fixing frames, the connecting pipe fixing frames are formed into a U-shaped fixing ring structure, the needle tube fixing frames are formed with through holes corresponding to the outer diameter of the puncture needle tube, and a sliding block is arranged at the joint of the needle tube fixing frames and the movable seat.
Preferably, the sliding rail is provided with a damping strip, the damping strip is arranged between the movable seat and the sliding rail, the length direction of the puncture needle body is parallel to a certain direction of the sliding rail, and the end head of the externally-hung fixed end is provided with a plurality of conductive electric shock switch-on circuits for transmitting signals.
Preferably, the movable seat is connected with a screw driving structure, the screw is fixed on the rotating frame and connected with a driving motor, the screw is arranged in the movable seat in a penetrating mode, and the movable seat changes the linear position when the screw rotates.
Preferably, the front end of the sample tube is hermetically connected with the puncture connecting tube, the rear part of the sample tube is of a through structure and is hermetically connected with the negative pressure suction rod, the negative pressure suction rod moves backwards to form a cavity and negative pressure, the outside of the sample tube is connected with the sealing cover, the edge of the sealing cover is provided with the sealing ring, and the sealing cover is covered on the sample tube to form a closed sample storage structure.
Preferably, the sample tube is made of transparent material, and a buckle is formed on the edge of a ring opening at the rear part of the sample tube and prevents the negative pressure suction rod from being separated from the sample tube.
Preferably, the puncture needle tube is movably connected with the puncture connecting tube, the needle tube fixing frame is fixedly connected with the puncture needle tube, the sliding block is arranged below the needle tube fixing frame, and the sliding block is connected with the driving motor to move back and forth to drive the puncture needle tube to move back and forth.
Compared with the prior art, the invention has the beneficial effects that:
1. the ultrasonic positioning sampling puncture system has the advantages of high target accuracy, high safety and simplicity in operation, can quickly determine the target under the assistance of a computer, simplifies the positioning process, reduces the operation difficulty, reduces the dependence on the experience of an operator, improves the working efficiency, reduces the pain time of a patient, has high sampling success rate, is favorable for quickly obtaining a result, enables the patient to obtain effective treatment, is favorable for the recovery of the patient and is favorable for providing reliable information for an operation.
2. This supersound location sampling puncture system is equipped with in pjncture needle intraductal and snatchs the mechanism, snatchs including the tongs in the mechanism, to the drawing of harder tissue, the sharpness of the blade on the tongs can cut the tissue that needs the detection well, and the tongs is small, and the security is high.
3. This supersound location sampling puncture system is provided with the arc depression bar and encircles the straining setting in the outside of sample cell to rotate to connect on removing the seat through the axis of rotation, with the fixing firmly of whole sampling pjncture needle on removing the seat, make the direction of puncture more accurate, and be provided with the damping strip, between removing seat and slide rail, the length direction of the pjncture needle body is parallel with the certain direction of slide rail. The puncture needle body moves on removing the seat, can guarantee to impel the stationarity of puncture process, improves maneuverability, sets up the damping strip, guarantees thrust stable even, avoids work process pressure inhomogeneous and the dislocation appears, improves the security.
4. This supersound location sampling puncture system has that operation process is stable controllable, can operate the puncture repeatedly, can take a sample at the angle of difference, the process of operation can simplify a plurality of steps, the work efficiency is improved, and the painful time of patient has been reduced, owing to have stable fixed knot structure, can realize stable operation process, reduce the requirement to operator's experience, the success rate that can improve the sample, be favorable to reacing the result fast, make the patient obtain effectual treatment, be favorable to patient's recovery
5. This supersound location sampling puncture system adopts manual regulation puncture needle pipe position, and the distance setting of regulation is the same with puncture needle head apart from the position, and the snatching of control tongs that can be better under the manual condition, and the condition that probably tongs snatch with the machine automation is unsatisfactory with tongs withdrawal, and manual ability is more accurate, and adjusts position distance well, thereby can not have the error condition and lead to puncture needle pipe to return or the distance of stretching out is too big, destroys normal human tissue.
6. This supersound location sampling puncture system adopts the combined action of puncture syringe needle and tongs to the puncture syringe needle punctures skin tissue, and the drop point is in the tissue department that needs the sampling, when touchhing the adhesion tissue that is difficult to be taken, adopts tongs and the blade on it, cuts this tissue and isolated, and the sample is taken in the effect of rethread negative pressure suction, can improve whole sampling efficiency like this.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the sampling needle of the present invention;
FIG. 3 is a schematic structural view of the grasping mechanism according to the present invention;
FIG. 4 is a schematic view of the needle cannula of the present invention;
FIG. 5 is a schematic view of the construction of the grip of the present invention;
FIG. 6 is a schematic view of the structure of the adjustment mode of the puncture needle tube according to the present invention;
the device comprises an ultrasonic probe 1, an externally-hung fixed end 2, a connector 3, a rotating shaft 4, a rotating frame 5, a puncture needle body 6, a conductive contact 7, a sliding rail 8, a moving seat 9, a control switch 10, a handle 11, a puncture needle head 12, a puncture needle tube 13, a puncture connecting tube 14, a sample tube 15, a negative pressure suction rod 16, a sealing cover 17, a needle tube fixing frame 18, a connecting tube fixing frame 19, an arc-shaped pressure rod 20, a buckle 21, a hand grip connecting tube 22, a hand grip 23, a blade 24, a hand grip fixing tube 25, a sliding block 26, a movable ring 27, a limiting connecting metal sheet 28, a sampling puncture needle 29, a needle tube 30, a grabbing mechanism 31, a metal sheet 32, a position hole 33 and an adjusting handle 34
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to the schematic illustrations of figures 1-3,
an ultrasonic positioning sampling puncture system comprises an ultrasonic probe 1, the right side of the ultrasonic probe 1 is fixedly connected with an externally-hung fixed end 2, a connector 3 is arranged outside the externally-hung fixed end 2, the connector 3 is fixedly connected with a rotating frame 5, a rotating shaft 4 is arranged at the central position of the rotating frame 5, a sliding rail 8 is fixedly connected to the right side of the rotating frame 5, the rotating shaft 4 is connected with a speed reduction driving motor and axially rotates, the right side of the sliding rail 8 is fixedly connected with a moving seat 9, the right side of the moving seat 9 is fixedly connected with a sampling puncture needle 29, the sampling puncture needle 29 comprises a needle tube 30, the front end of the needle tube 30 is movably connected with a puncture needle body 6, the puncture needle body 6 is pushed to move on the rotating frame along the length direction of the puncture needle body, a grabbing mechanism 31 is arranged in the puncture needle body 6, and the grabbing mechanism 31 comprises a hand grip 23 and a hand grip connecting tube 22;
the grasping mechanism 31 is provided with a grasping hand 23, the front end of the grasping hand 23 is provided with a blade 24, the blade 24 is provided with a limiting connecting metal sheet 28, the limiting connecting metal sheet 28 is movably connected with a grasping hand fixing tube 25, the grasping hand fixing tube is provided with a movable ring 27, the movable ring 27 is movably connected with a metal sheet 32, the metal sheet 32 is movably connected with the blade 24, the puncture needle body 6 in general condition can not be effectively extracted aiming at the extraction of harder tissues, the grasping mechanism is arranged in the grasping hand, the tissues to be monitored can be better extracted by utilizing the sharpness of the grasping hand to cut the tissues, and the grasping hand is general and safe;
the needle tube 30 comprises a negative pressure suction rod 16, a sample tube 15 is arranged at the front end of the negative pressure suction rod 16, a puncture connecting tube 14 is fixedly connected at the front end of the sample tube 15, an arc-shaped pressure rod 20 is fixedly connected on the sample tube 15, a sealing cover 17 is movably connected above the front end of the sample tube 15, the puncture connecting tube is connected with the sample tube, the puncture needle tube is made of metal and made of plastic, the tightness can be effectively improved by connecting through the puncture connecting tube, the negative pressure suction rod connected with the sample tube provides negative pressure power to suck a sample into the sample tube, the sample tube is padded with the sealing cover to seal the sample tube, the puncture operating device is integrally fixed on a movable seat, the sample tube can be independently disassembled, a corresponding sample tube fixing frame is of a structure which can be overturned and fixed, the sample tube can be rapidly assembled and disassembled, the purpose of multiple sampling is realized, a slide rail is arranged at the lower part of the movable seat, the movable base can be fixed on the rack, so that the foundation is stable, the movable base is uniformly pushed, and the stable puncture process can be realized;
the needle tube fixing frame 18 and the connecting tube fixing frame 19 both form an annular fixing structure, the needle tube fixing frame 18 is formed with a through hole corresponding to the outer diameter of the puncture needle tube 13, the connecting tube fixing frame 19 is formed into a U-shaped fixing ring structure, and the needle tube fixing frame 18 and the connecting tube fixing frame 19 correspondingly fix the puncture needle tube 13 and the puncture connecting tube 14. The needle tube fixing frame 18 and the puncture connecting tube 14 are respectively fixed on the movable seat through corresponding structures, a stable annular structure is needed for fixing due to the fact that the puncture needle tube 13 is thin, stability of the puncture needle tube in linear movement is guaranteed, the sliding block 26 is arranged below the puncture needle tube 13, the puncture needle tube 13 can stably move, when the puncture needle head 12 enters a human body, the puncture needle tube 13 moves to expose the hand grip 23 for gripping, the puncture needle head 12 wraps the hand grip 23 forwards to achieve gripping action of the hand grip, and then the tissue is sucked into the sample tube 15 through negative pressure, so that the device is simple, stable in operation and high in safety;
the front end of the sample tube 15 is hermetically connected with the puncture connecting tube 14, the rear part of the sample tube is of a through structure and is hermetically connected with the negative pressure suction rod 16, the negative pressure suction rod 16 moves backwards to form a cavity and negative pressure, the outside of the sample tube 15 is connected with the sealing cover 17, the edge of the sealing cover 17 is provided with a sealing ring, and the sealing ring is covered on the sample tube 15 to form a closed sample storage structure. The front end of the sample tube 15 and the puncture connecting tube 14 form a communicated and closed structure, negative pressure can be transmitted to the hand grip connecting tube 22, a sample is sucked into the sample tube 15, and the sample tube 15 is covered by the sealing cover 17 to form the sample tube 15 which can be checked;
the puncture connecting pipe 14 is a hard pipe structure made of transparent materials, sealing rings are arranged on ring openings at two ends of the puncture connecting pipe 14 and are hermetically arranged in gaps which are mutually sleeved, the transparent materials can facilitate observation and facilitate quick confirmation of a sample, and work efficiency is improved, the hard pipe structure can help forward concentrate thrust, so that puncture accuracy is improved, the sample pipe 15 is made of transparent materials, a buckle 21 is formed at the edge of the ring opening at the rear part of the sample pipe, the buckle 21 prevents a negative pressure suction rod 16 from being separated from the sample pipe 15, the buckle 21 at the rear part is beneficial to limiting, and is prevented from being communicated due to misoperation, so that the sample is prevented from being polluted;
the puncture needle body 6 is connected to the rotating frame 5 through the sliding rail 8, the puncture needle body 6 is fixed on the moving seat 9, the moving seat 9 is connected to the rotating frame 5 through the sliding rail 8, the damping strip is arranged on the sliding rail 8 and is arranged between the moving seat 9 and the sliding rail 8, the length direction of the puncture needle body 6 is parallel to a certain direction of the sliding rail 8, and the puncture needle body 6 moves on the moving seat 9, so that the stability of the puncture propelling process can be ensured, the operability is improved, the damping strip is arranged, the stability and the uniformity of the thrust are ensured, the phenomenon that the pressure is uneven and the dislocation occurs in the working process is avoided, and the safety is improved;
the movable seat 9 is connected with a screw driving structure, a screw is fixed on the rotating frame and connected with a driving motor, the screw penetrates through the movable seat 9, the movable seat 9 changes the linear position when the screw rotates, the forward movement of the puncture needle body 6 can be propelled in an electric control mode, the propelling process is uniform and consistent, the stability is better, a position hole 33 is formed in the puncture needle tube, the rear end of the puncture needle tube 13 is fixedly connected with an adjusting handle 34, the adjusting handle 34 extends out of the position hole 33, the position of the puncture needle body 6 can be conveniently adjusted manually, the position hole 33 is provided with a front hole position bayonet and a rear hole position bayonet, the distance between the two hole position bayonets is just the distance of the puncture needle head 12, the gripping can be ensured to be just exposed to realize gripping, the manual control can be better realized after the gripping condition of the gripping of the gripper is observed;
the external fixed end 2 is integrally formed at the outer side edge of the ultrasonic probe 1, a flange is formed at the end part of the external fixed end 2, slots of the connecting body 3 are correspondingly formed and are mutually matched and fixed, a conductive contact 7 is arranged in the middle of the external fixed end 2, the conductive contact 7 is also arranged in the slots, the conductive contacts 7 are mutually contacted to connect a circuit, the conductive contact 7 is connected with a lead, the flange structure of the external fixed end 2 has the function of structure reinforcement, the connection strength can be improved, the conductive contact 7 is arranged and used for connecting the circuit and transmitting signals, the conducted circuit can supply power for an electric device on the movable seat 9, and the structural reliability is improved;
a control switch 10 is formed on a handle 11 of the ultrasonic probe 1, the control switch 10 controls the rotating shaft 4 to rotate and is communicated with a control loop, the control switch 10 is arranged on one side of the handle 1, the working convenience can be improved, the control switch 10 can also be used for controlling a driving motor of the movable frame 5, whether needle insertion and the needle insertion depth are controlled, and the working efficiency is improved;
the working principle is as follows: the ultrasonic positioning sampling puncture system controls the operation of the whole device through a control switch 10 on a handle 11, an ultrasonic probe 1 positioned below the handle 11 detects the specific position of a tissue to be detected, then puncture is carried out through the rotating position of a rotating frame 5 connected with a right connecting body 3, a rotating shaft 4 existing in the central position of the rotating frame 5 is connected with a transmission electric signal through a conductive contact 7 on an externally-hung fixed end 2 to accurately rotate, a sliding rail 8 is arranged on the right side of the rotating frame 5, a moving seat 9 is connected on the right side of the sliding rail 8, a sampling puncture needle 29 is connected on the right side of the moving seat 9, and the sampling puncture needle is stably inserted in a certain direction through the matching use of the sliding rail 8 and the moving seat 9, so that the system is safe and efficient; the sampling puncture needle 29 comprises a needle tube 30 and a puncture needle body 6, the position of a tissue is determined by the ultrasonic probe 1, in the process of puncturing the sampling puncture needle 29, the puncture needle tube 13 and the puncture needle head 12 firstly enter the human body, when the position of the tissue to be sampled is reached, an adjusting handle 34 on a puncture connecting tube 14 is adjusted to a rear hole position at a set position hole 33, the adjusting handle 34 drives the puncture needle tube 13 to move, the puncture needle tube 13 is fixed on a slide block 26 through a needle tube fixing frame 18, the slide block 26 can slide on a moving seat at a certain distance, the needle tube fixing frame 18 moves the puncture needle tube 13 backwards at a certain distance to expose a hand grip 23 of a gripping mechanism 31 in the puncture needle tube 13, a blade 24 on the hand grip 23 grips the tissue sharply, the puncture needle head 12 is restored to the previous position through the movement of the slide block 26 to realize the closing of the hand grip 23, and the gripped tissue is formed by the drawing of a negative pressure suction rod through negative pressure and a cavity, a sample to be tested can be obtained by inserting the tissue from the position of the hand grip 23 into the sample tube 15 through the hand grip connecting tube 22 and sealing the tissue with the sealing cover 17.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The ultrasonic positioning sampling puncture system is characterized by comprising an ultrasonic probe (1), wherein the right side of the ultrasonic probe (1) is fixedly connected with an externally-hung fixed end (2), the upper end of the ultrasonic probe (1) is provided with a handle (11), one side of the handle (11) is provided with a control switch (10), the externally-hung fixed end (2) is externally provided with a connector (3), the connector (3) is fixedly connected with a rotating frame (5), the central position of the rotating frame (5) is provided with a rotating shaft (4), the right side of the rotating frame (5) is fixedly connected with a sliding rail (8), the rotating shaft (4) is connected with a speed reduction driving motor and axially rotates, the right side of the sliding rail (8) is fixedly connected with a moving seat (9), the right side of the moving seat (9) is fixedly connected with a sampling puncture needle (29), and the sampling puncture needle (29) comprises a needle tube (30), the puncture needle is characterized in that the front end of the needle tube (30) is movably connected with a puncture needle body (6), the puncture needle body (6) is pushed to move on the rotating frame (5) along the length direction of the puncture needle body, a grabbing mechanism (31) is arranged in the puncture needle body (6), and the grabbing mechanism (31) comprises a grabbing hand (23) and a grabbing hand connecting tube (22).
2. The ultrasonic positioning sampling puncture system according to claim 1, wherein the grasping mechanism (31) is provided with a grasping hand (23), the front end of the grasping hand (23) is provided with a blade (24), the blade (24) is provided with a limiting connection metal sheet (28), the limiting connection metal sheet (28) is movably connected with a grasping hand fixing tube (25), the grasping hand fixing tube is provided with a movable ring (27), the movable ring (27) is movably connected with a metal sheet (32), and the metal sheet (32) is movably connected with the blade (24).
3. The ultrasonic positioning sampling puncture system according to claim 1, wherein the needle tube (30) comprises a negative pressure suction rod (16), a sample tube (15) is arranged at the front end of the negative pressure suction rod (16), the puncture connecting tube (14) is fixedly connected to the front end of the sample tube (15), the arc-shaped pressure rod (20) is fixedly connected to the sample tube (15), and the sealing cover (17) is movably connected to the upper part of the front end of the sample tube (15).
4. The ultrasonic positioning sampling puncture system according to claim 1, wherein the puncture needle body (6) comprises a puncture needle head (12), the puncture needle head (12) is fixedly connected with a puncture needle tube (13), a grabbing mechanism (31) is arranged in the puncture needle tube (13), the rear end of the puncture needle tube (13) is fixedly connected with an adjusting handle (34), the grabbing mechanism (31) comprises a grabbing hand (23), the rear side of the grabbing hand (23) is fixedly connected with a grabbing hand connecting tube (22), the grabbing hand connecting tube (22) is hermetically connected with the puncture connecting tube (14), the puncture connecting tube (14) is provided with a position hole (33), the adjusting handle (34) penetrates out of the position hole (33), and the position hole (33) is filled with a sealing rubber ring.
5. The ultrasonic positioning sampling puncture system according to claim 1, wherein the movable seat (9) is provided with a pair of connecting tube holders (19) and a pair of needle tube holders (18), the connecting tube holders (19) are formed into a U-shaped fixed ring structure, the needle tube holders (18) are formed with through holes corresponding to the outer diameter of the puncture needle tube (13), and the joints of the needle tube holders (18) and the movable seat (9) are provided with sliders (26).
6. The ultrasonic positioning sampling puncture system according to claim 1, wherein a damping strip is arranged on the slide rail (8), the damping strip is arranged between the movable seat (9) and the slide rail (8), the length direction of the puncture needle body (6) is parallel to a certain direction of the slide rail (8), and a plurality of conducting electric contacts (7) are arranged at the end of the externally-hung fixed end (2) to connect with a circuit to transmit signals.
7. The ultrasonic positioning sampling puncture system according to claim 1, wherein the movable base (9) is connected with a screw driving structure, the screw is fixed on the rotating frame (5) and is connected with a driving motor, the screw is arranged in the movable base (9) in a penetrating way, and the movable base (9) changes the linear position when the screw rotates.
8. The ultrasonic positioning sampling puncture system according to claim 1, wherein the front end of the sample tube (15) is hermetically connected with the puncture connecting tube (14), the rear part of the sample tube is a through structure and is hermetically connected with the negative pressure suction rod (16), the negative pressure suction rod (16) is moved backwards to form a cavity and negative pressure, the outer part of the sample tube (15) is connected with the sealing cover (17), the edge of the sealing cover (17) is provided with a sealing ring, and the sealing ring is covered on the sample tube (15) to form a closed sample storage structure.
9. The ultrasonic positioning sampling puncture system according to claim 1, wherein the sample tube (15) is made of transparent material, and a snap (21) is formed on the edge of the opening at the rear part of the sample tube, and the snap (21) prevents the negative pressure suction rod (16) from being separated from the sample tube (15).
10. The ultrasonic positioning sampling puncture system according to claim 1, wherein the puncture needle tube (13) is movably connected with the puncture connecting tube (14), the needle tube holder (18) is fixedly connected with the puncture needle tube (13), a slide block (26) is arranged below the needle tube holder (18), and the slide block (26) is connected with a driving motor to move forward and backward to drive the puncture needle tube (13) to move forward and backward.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423123.6A CN113509214A (en) | 2021-04-20 | 2021-04-20 | Ultrasonic positioning sampling puncture system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423123.6A CN113509214A (en) | 2021-04-20 | 2021-04-20 | Ultrasonic positioning sampling puncture system |
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| CN113509214A true CN113509214A (en) | 2021-10-19 |
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| CN202110423123.6A Pending CN113509214A (en) | 2021-04-20 | 2021-04-20 | Ultrasonic positioning sampling puncture system |
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